A cell phone in a prisoner’s possession allows him to contact outside partners in crime to coordinate escape plans, thereby creating life-threatening situations for the guards and public surrounding the institution. More often, reports from correctional facilities overwhelmingly indicate that hidden cell phones have been used to harass the victims of their crimes, or an inmate repeatedly intimidates his victim in an effort to persuade the victim to recant the charges or change his story to instill suspicion in the testimony.
We live in a society that thrives on cell phone usage. We keep them on hand 24/7 in case we need to look something up to win an argument, get an important text or email that couldn’t wait an hour for us to check, or take a selfie of whatever it is that we’re doing that we feel all of our Instagram followers should know about. Our cell phones have found ways to become a part of every single aspect of our lives. And while they have done a great job at connecting us with friends and family around the globe, and helping to organize our lives, we have all had movie experiences ruined by an overzealous texter.
This signal shield holster with signal isolation function, when you put the phone into the holster, the signal will stop transmission. This is a very gentleman’s way of shielding, neither disturbing others, nor let others bother you.This product for all the current GPS satellite positioning system and the characteristics of wireless videotaping, in the radius of 5-30 meters within the effective GPS satellite signals and wireless video transmission signal truncated, so that your whereabouts are not worried about being tracked, videotaping.
Cellphone jammer is the App that allows you to detect presence of wifi jammer devices around. In that situation your mobile phone loses the ability to make a phone call. If it happened, the App gives you a visual or sound message. The time for reaction on a working jammer depends on hardware communication part of your device and typically can be in 30-60 sec range.
But how can schools calm the use of cell phones? One Philadelphia head teacher tried to explain to a parent recently that her school simply takes the phones away from kids who won’t stop using them and keeps them for a number of weeks. The parent wasn’t impressed.Dozens of countries, including Canada, Mexico, New Zealand, Norway, Turkey and others, allow the police or prison officials to use jammers.